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Finding the Fourth Proportional to 5,753, 8,627.88 and 1,856.90

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Solution

The fourth proportional to 5,753, 8,627.88 and 1,856.90 is: 2,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753 : 8,627.88 = 1,856.90 : x
  2. Step 2: Convert to fraction form
    5,753/8,627.88 = 1,856.90/x
  3. Step 3: Cross multiply
    5,753x = 8,627.88 × 1,856.90
  4. Step 4: Simplify right side
    5,753x = 16,021,110.37
  5. Step 5: Solve for x
    x = 16,021,110.37/5,753
  6. Step 6: Final answer
    x = 2,784.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.